Attachment 308222 Details for Bug 446957 – simple standalone test-case

simple standalone test-case

apple.c (text/plain), 5.89 KB, created by Caolan McNamara on 2008-06-03 12:37:35 UTC

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Creator: Caolan McNamara

Created: 2008-06-03 12:37:35 UTC

Size: 5.89 KB

patch

obsolete

>/*gcc apple.c `pkg-config --cflags --libs cairo-xlib`*/
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <math.h>
>
>#include <cairo.h>
>#include <cairo-xlib.h>
>
>#define PI 3.1415926535
>
>typedef struct win {
>    Display *dpy;
>    int scr;
>
>    Window win;
>    GC gc;
>
>    int width, height;
>    KeyCode quit_code;
>} win_t;
>
>static void triangle(cairo_t *cr);
>static void square(cairo_t *cr);
>static void bowtie(cairo_t *cr);
>static void win_init(win_t *win);
>static void win_deinit(win_t *win);
>static void win_draw(win_t *win);
>static void win_handle_events(win_t *win);
>
>int
>main(int argc, char *argv[])
>{
>    win_t win;
>
>    win.dpy = XOpenDisplay(0);
>
>    if (win.dpy == NULL) {
>	fprintf(stderr, "Failed to open display\n");
>	return 1;
>    }
>
>    win_init(&win);
>
>    win_draw(&win);
>
>    win_handle_events(&win);
>
>    win_deinit(&win);
>
>    XCloseDisplay(win.dpy);
>
>    return 0;
>}
>
>#define SIZE 20
>static void
>triangle(cairo_t *cr)
>{
>    cairo_move_to(cr, SIZE, 0);
>    cairo_rel_line_to(cr, SIZE,  2*SIZE);
>    cairo_rel_line_to(cr, -2*SIZE, 0);
>    cairo_close_path(cr);
>}
>
>static void
>square(cairo_t *cr)
>{
>    cairo_move_to(cr, 0, 0);
>    cairo_rel_line_to(cr,  2*SIZE,   0);
>    cairo_rel_line_to(cr,   0,  2*SIZE);
>    cairo_rel_line_to(cr, -2*SIZE,   0); 
>    cairo_close_path(cr);
>}
>
>static void
>bowtie(cairo_t *cr)
>{
>    cairo_move_to(cr, 0, 0);
>    cairo_rel_line_to(cr,  2*SIZE,  2*SIZE);
>    cairo_rel_line_to(cr, -2*SIZE,   0); 
>    cairo_rel_line_to(cr,  2*SIZE, -2*SIZE);
>    cairo_close_path(cr);
>}
>
>static void
>inf(cairo_t *cr)
>{
>    cairo_move_to(cr, 0, SIZE);
>    cairo_rel_curve_to(cr,
>		 0, SIZE,
>		 SIZE, SIZE,
>		 2*SIZE, 0);
>    cairo_rel_curve_to(cr,
>		 SIZE, -SIZE,
>		 2*SIZE, -SIZE,
>		 2*SIZE, 0);
>    cairo_rel_curve_to(cr,
>		 0, SIZE,
>		 -SIZE, SIZE,
>		 -2*SIZE, 0);
>    cairo_rel_curve_to(cr,
>		 -SIZE, -SIZE,
>		 -2*SIZE, -SIZE,
>		 -2*SIZE, 0);
>    cairo_close_path(cr);
>}
>
>static void
>draw_shapes(cairo_t *cr, int x, int y, int fill)
>{
>    cairo_save(cr);
>
>    cairo_new_path(cr);
>    cairo_translate(cr, x+SIZE, y+SIZE);
>    bowtie(cr);
>    if (fill)
>	cairo_fill(cr);
>    else
>	cairo_stroke(cr);
>
>    cairo_new_path(cr);
>    cairo_translate(cr, 4*SIZE, 0);
>    square(cr);
>    if (fill)
>	cairo_fill(cr);
>    else
>	cairo_stroke(cr);
>
>    cairo_new_path(cr);
>    cairo_translate(cr, 4*SIZE, 0);
>    triangle(cr);
>    if (fill)
>	cairo_fill(cr);
>    else
>	cairo_stroke(cr);
>
>    cairo_new_path(cr);
>    cairo_translate(cr, 4*SIZE, 0);
>    inf(cr);
>    if (fill)
>	cairo_fill(cr);
>    else
>	cairo_stroke(cr);
>
>    cairo_restore(cr);
>}
>
>static void
>fill_shapes(cairo_t *cr, int x, int y)
>{
>    draw_shapes(cr, x, y, 1);
>}
>
>static void
>stroke_shapes(cairo_t *cr, int x, int y)
>{
>    draw_shapes(cr, x, y, 0);
>}
>
>/*
>static void
>draw_broken_shapes(cairo_t *cr)
>{
>    cairo_save(cr);
>
>    cairo_set_line_width(cr, 1);
>    cairo_set_line_join(cr, CAIRO_LINE_JOIN_BEVEL);
>    cairo_set_source_rgb(cr, 1, 1, 1);
>
>    cairo_move_to(cr, 19.153717041015625, 144.93951416015625);
>    cairo_line_to(cr, 412.987396240234375, 99.407318115234375);
>    cairo_line_to(cr, 412.99383544921875, 99.4071807861328125);
>    cairo_line_to(cr, 413.15008544921875, 99.5634307861328125);
>    cairo_line_to(cr, 413.082489013671875, 99.6920928955078125);
>    cairo_line_to(cr, 413.000274658203125, 99.71954345703125);
>    cairo_line_to(cr, 273.852630615234375, 138.1925201416015625);
>    cairo_line_to(cr, 273.934844970703125, 138.165069580078125);
>    cairo_line_to(cr, 16.463653564453125, 274.753662109375);
>    cairo_line_to(cr, 16.286346435546875, 274.496337890625);
>    cairo_line_to(cr, 273.757537841796875, 137.907745361328125);
>    cairo_line_to(cr, 273.839752197265625, 137.8802947998046875);
>    cairo_line_to(cr, 412.987396240234375, 99.407318115234375);
>    cairo_line_to(cr, 412.99383544921875, 99.4071807861328125);
>    cairo_line_to(cr, 413.15008544921875, 99.5634307861328125);
>    cairo_line_to(cr, 413.082489013671875, 99.6920928955078125);
>    cairo_line_to(cr, 413.000274658203125, 99.71954345703125);
>    cairo_line_to(cr, 19.166595458984375, 145.251739501953125);
>
>    cairo_fill(cr);
>
>    cairo_restore(cr);
>}
>*/
>
>static void
>win_draw(win_t *win)
>{
>#define NUM_DASH 2
>    static double dash[NUM_DASH] = {SIZE/4.0, SIZE/4.0};
>    cairo_surface_t *surface;
>    cairo_t *cr;
>    Visual *visual = DefaultVisual(win->dpy, DefaultScreen (win->dpy));
>
>    XClearWindow(win->dpy, win->win);
>
>    surface = cairo_xlib_surface_create(win->dpy,
>        win->win, visual, 
>        200, 200);
>
>    cr = cairo_create(surface);
>
>    cairo_set_source_rgb(cr, 0, 0, 0);
>
>    cairo_set_font_size (cr, 20);
>    cairo_move_to (cr, 10, 20);
>    cairo_show_text (cr, "Hello");
>
>    if (cairo_status (cr)) {
>	printf("Cairo is unhappy: %s\n",
>	       cairo_status_to_string (cairo_status (cr)));
>	exit(0);
>    }
>
>    cairo_destroy(cr);
>    cairo_surface_destroy (surface);
>}
>
>static void
>win_init(win_t *win)
>{
>    Window root;
>
>    win->width = 200;
>    win->height = 200;
>
>    root = DefaultRootWindow(win->dpy);
>    win->scr = DefaultScreen(win->dpy);
>
>    win->win = XCreateSimpleWindow(win->dpy, root, 0, 0,
>				   win->width, win->height, 0,
>				   BlackPixel(win->dpy, win->scr), WhitePixel(win->dpy, win->scr));
>
>    win->quit_code = XKeysymToKeycode(win->dpy, XStringToKeysym("Q"));
>
>    XSelectInput(win->dpy, win->win,
>		 KeyPressMask
>		 |StructureNotifyMask
>		 |ExposureMask);
>
>    XMapWindow(win->dpy, win->win);
>}
>
>static void
>win_deinit(win_t *win)
>{
>    XDestroyWindow(win->dpy, win->win);
>}
>
>static void
>win_handle_events(win_t *win)
>{
>    XEvent xev;
>
>    while (1) {
>	XNextEvent(win->dpy, &xev);
>	switch(xev.type) {
>	case KeyPress:
>	{
>	    XKeyEvent *kev = &xev.xkey;
>	    
>	    if (kev->keycode == win->quit_code) {
>		return;
>	    }
>	}
>	break;
>	case ConfigureNotify:
>	{
>	    XConfigureEvent *cev = &xev.xconfigure;
>
>	    win->width = cev->width;
>	    win->height = cev->height;
>	}
>	break;
>	case Expose:
>	{
>	    XExposeEvent *eev = &xev.xexpose;
>
>	    if (eev->count == 0)
>		win_draw(win);
>	}
>	break;
>	}
>    }
>}

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Attachments on bug 446957: 305725 | 308222 | 308223